#include<stdio.h>
int main()
{
	int age;
	scanf("%d", &age);
	switch (age)
	{
	case 2:case 3: printf("age:%d,enter Lower class", age);
		break;
	case 4: printf("age:%d,enter Middle class", age);
		break;
	case 5: case 6: printf("age:%d,enter Higher class", age);
		break;
	}
	return 0;
}